feat(nav): add WrapContentSheet support to navigation

Add WrapContentSheet interface, IsWrapContentSheet metadata key, and
conditional fillMaxHeight/ScrimOverlay handling for wrap-content sheets.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: bmc08gt

ui/navigation/src/main/kotlin/com/getcode/navigation/NavMetadata.kt

@@ -16,6 +16,7 @@ enum class NavMetadataKeys(val key: String, ) {
     IsNonDismissable("non_dismissable"),
     IsNonDraggable("non_draggable"),
     IsSheet("sheet"),
+    IsWrapContentSheet("sheet_wrap_content"),
     IsSolitarySheet("sheet_solitary"),
     NavResultKey("navresult_key"),
 }
@@ -58,6 +59,7 @@ fun KClass<*>.metadata(): Map<String, Any> {
 
     return mapOf(
         NavMetadataKeys.IsSheet.key to Sheet::class.java.isAssignableFrom(this.java),
+        NavMetadataKeys.IsWrapContentSheet.key to WrapContentSheet::class.java.isAssignableFrom(this.java),
         NavMetadataKeys.IsSolitarySheet.key to SolitarySheet::class.java.isAssignableFrom(this.java),
         NavMetadataKeys.IsNonDismissable.key to NonDismissableRoute::class.java.isAssignableFrom(this.java),
         NavMetadataKeys.IsNonDraggable.key to NonDraggableRoute::class.java.isAssignableFrom(this.java),

ui/navigation/src/main/kotlin/com/getcode/navigation/Types.kt

@@ -3,6 +3,7 @@ package com.getcode.navigation
 import androidx.navigation3.runtime.NavKey
 
 interface Sheet: NavKey
+interface WrapContentSheet: NavKey
 interface NonDismissableRoute: NavKey
 interface NonDraggableRoute: NavKey
 interface SolitarySheet: NavKey

ui/navigation/src/main/kotlin/com/getcode/navigation/scenes/ModalBottomSheetSceneStrategy.kt

@@ -224,10 +224,18 @@ internal class ModalBottomSheetScene<T : Any> @OptIn(ExperimentalMaterial3Api::c
                             )
                         }
                     }
+                    val isWrapContent =
+                        metadata[NavMetadataKeys.IsWrapContentSheet.key] as? Boolean ?: false
                     Box(
                         modifier = Modifier
                             .fillMaxWidth()
-                            .fillMaxHeight(CodeTheme.dimens.modalHeightRatio)
+                            .then(
+                                if (!isWrapContent) {
+                                    Modifier.fillMaxHeight(CodeTheme.dimens.modalHeightRatio)
+                                } else {
+                                    Modifier
+                                }
+                            )
                     ) {
                         SharedTransitionLayout {
                             CompositionLocalProvider(
@@ -237,7 +245,9 @@ internal class ModalBottomSheetScene<T : Any> @OptIn(ExperimentalMaterial3Api::c
                             ) {
                                 entry.Content()
                             }
-                            ScrimOverlay(scrim)
+                            if (!isWrapContent) {
+                                ScrimOverlay(scrim)
+                            }
                         }
                     }
                 }